2004 INFINITI FX35 Service Manual

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Page 1761 of 4449

INFINITI FX35 2004 Service Manual EC-420
[VQ35DE]
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
Revision: 2004 November 2004 FX35/FX45
2. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-I
1. Check voltage between ECM terminal 3

Page 1762 of 4449

INFINITI FX35 2004 Service Manual DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
EC-421
[VQ35DE]
C
D
E
F
G
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MA
EC
Revision: 2004 November 2004 FX35/FX45
6. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-II
1. Disconnec

Page 1763 of 4449

INFINITI FX35 2004 Service Manual EC-422
[VQ35DE]
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
Revision: 2004 November 2004 FX35/FX45
11 . CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Remove the intake air duct.
2. Check if

Page 1764 of 4449

INFINITI FX35 2004 Service Manual DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
EC-423
[VQ35DE]
C
D
E
F
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MA
EC
Revision: 2004 November 2004 FX35/FX45
DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAYPFP:16119
Component Descript

DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
EC-423
[VQ35DE]
C
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EC
Revision: 2004 November 2004 FX35/FX45
DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAYPFP:16119
Component DescriptionABS006TL
Power supply for the throttle control motor is provided to the ECM via throttle control motor relay. The throttle
control motor relay is ON/OFF controlled by the ECM. When the ignition switch is turned ON, the ECM sends
an ON signal to throttle control motor relay and battery voltage is provided to the ECM. When the ignition
switch is turned OFF, the ECM sends an OFF signal to throttle control motor relay and battery voltage is not
provided to the ECM.
CONSULT-II Reference Value in Data Monitor ModeABS006TM
Specification data are reference values.
On Board Diagnosis LogicABS006TN
These self-diagnoses have the one trip detection logic.
FAIL-SAFE MODE
When the malfunction is detected, ECM enters fail-safe mode and the MlL lights up.
DTC Confirmation ProcedureABS006TO
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
PROCEDURE FOR DTC P1124
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 8V.
With CONSULT-II
1. Turn ignition switch ON and wait at least 1 second.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. If DTC is detected, go to EC-426, "
Diagnostic Procedure" .
MONITOR ITEM CONDITION SPECIFICATION
THRTL RELAY
Ignition switch: ON ON
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1124
11 2 4Throttle control motor
relay circuit shortECM detects the throttle control motor relay is
stuck ON.
Harness or connectors
(Throttle control motor relay circuit is
shorted)
Throttle control motor relay
P1126
11 2 6Throttle control motor
relay circuit openECM detects a voltage of power source for
throttle control motor is excessively low.
Harness or connectors
(Throttle control motor relay circuit is
open)
Throttle control motor relay
Engine operating condition in fail-safe mode
ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5 degrees) by the return
spring.
SEF058Y

Page 1765 of 4449

INFINITI FX35 2004 Service Manual EC-424
[VQ35DE]
DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
Revision: 2004 November 2004 FX35/FX45
With GST
Follow the procedure “With CONSULT-II” above.
PROCEDURE FOR DTC P1126
With CONSULT-I

Page 1766 of 4449

INFINITI FX35 2004 Service Manual DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
EC-425
[VQ35DE]
C
D
E
F
G
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MA
EC
Revision: 2004 November 2004 FX35/FX45
Wiring DiagramABS006TP
TBWM0304E

Page 1767 of 4449

INFINITI FX35 2004 Service Manual EC-426
[VQ35DE]
DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
Revision: 2004 November 2004 FX35/FX45
Specification data are reference values and are measured between each terminal and ground.
CAUTION:

Page 1768 of 4449

INFINITI FX35 2004 Service Manual DTC P1124, P1126 THROTTLE CONTROL MOTOR RELAY
EC-427
[VQ35DE]
C
D
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F
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MA
EC
Revision: 2004 November 2004 FX35/FX45
4. CHECK FUSE
1. Disconnect 15A fuse.
2. Check 15A fuse for blown.
OK or

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